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nekit [7.7K]
2 years ago
5

The square of a number ending with 9 will end with?(a) 1 (b) 3 (c) 6 (d) 9​

Mathematics
2 answers:
joja [24]2 years ago
5 0

Answer:

B-3

Step-by-step explanation:

It is B because the square of a number ending in 9 is either 3 or 7, and the only one of those in the answer choices is 3, so B is correct.

Vikentia [17]2 years ago
4 0

Answer:

9

Step-by-step explanation:

Ye

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3 years ago
What is the solution of the matrix equation?
katrin [286]

Hello from MrBillDoesMath!

Answer:

The first choice ( -12, 20)



Discussion:

Using matrix multiplication we find the equations:


1x  + 1y = 8                     (A)

2x  + 3y = 36                   (B)


Next, compute

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Substituting this y value in (A) gives

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The answer is the first choice ( -12, 20)


Thank you,

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